Tektronix TDS 754D 500MHz Digital Oscilloscope. Features include:2 GHz,

1 GHz and ?500 MHz

Bandwidths
Sample Rates to 4 GS/s
Captures and Displays up to 200,000 Waveforms per Second
2 or 4 Channels
1%?Vertical Accuracy
8-Bit?Vertical Resolution, Over 11-Bits with Averaging and Over 13-Bits

with Hi-res

FFT and Advanced Math

Histogram Statistics
Limit Test
FastFrameTMTime Stamp
Communication Signal Analysis Including Mask Testing and SONET/SDH and

Fibre Channel Optical Reference
Receivers.